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The process of partial melting can occur in rocks under high confining pressure, where the minerals in the rock start to melt without the overall temperature changing. This happens because the pressure lowers the melting point of the minerals. The supercritical fluids in Earth's mantle can also cause rocks to melt without a change in temperature under the high pressure conditions.
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What is the process of a substance changing from a solid to a vapor without through the liquid phase is called?
The solid->gas transition is called sublimation; the gas->solid transition is called deposition. The reason this happens is, essentially, "because that's how things are". It all depends on where on the phase diagram the material happens to be.
True or false weathering changes metamorphic rock to sediments?
False. Weathering breaks down rocks into sediments, which can then undergo the process of sedimentation and lithification to form sedimentary rocks. Metamorphic rocks are formed through the process of metamorphism, which involves high pressure and temperature altering existing rocks without changing them into sediments.
Metamorphism involves what two conditions act on the existing rock to change it?
Metamorphism involves the combination of high temperature and pressure acting on the existing rock to change its mineral composition and texture. These conditions can alter the rock without completely melting it, leading to the formation of metamorphic rocks.
What happens to boiling water if the pressure increases or decreases?
water boils when the vapour pressure becomes equal to the external pressure. So if we increase the pressure, the rate of boiling will increase. Think of the vapor pressure as the pressure that is needed to force a bubble to the surface.it lowers
High temperature and pressure cause igneous rocks to become what type of rock?
High temperature and pressure on igneous rocks cause them to transform into metamorphic rocks through a process called metamorphism. This process typically involves recrystallization of minerals and changes in texture and structure without melting.
Rocks can melt without changing temperature when the pressure exerted on them is .?
Increase
How can you decrease the pressure of gas in a container without changing the volume of the gas?
You could lower the temperature.
What are the factors that influence the density of water?
Temperature, pressure, and the presence of dissolved substances like salt can all influence the density of water. As temperature increases, water density decreases, while increasing pressure can increase density. Dissolved substances can affect density by changing the mass of the water without significantly changing its volume.
What is a property of a materials that can be measured without changing the identity of the material?
Density is a property of a material that can be measured without changing the identity of the material. It is the mass per unit volume of a substance and remains constant for a specific material at a given temperature and pressure.
In which direction in a fluid at rest can you move without the pressure changing?
You can move vertically (up and down) in a fluid at rest without the pressure changing, as long as the fluid is in equilibrium and there are no density variations.
What is an amount of pressure an object can handle without changing?
The amount of pressure an object can handle without changing is called its elastic limit. Beyond this point, the object will undergo permanent deformation or break.
What pressure of 152kpa a gas has a volume of 524cm3 The pressure is decreased without changing the temperature until the volume of the gas is equal to 8.00x102 cm3 what is the new pressure?
Using Boyle's law (P1V1 = P2V2), we can find the new pressure by rearranging the formula: P2 = (P1V1)/V2. Substituting the given values, we get P2 = (152 kPa * 524 cm^3) / 800 cm^3 = 99.8 kPa. The new pressure of the gas is 99.8 kPa.
What is the significance of specific heat at constant pressure in thermodynamics?
The specific heat at constant pressure is important in thermodynamics because it measures how much heat energy is needed to raise the temperature of a substance without changing its volume. It helps in understanding how substances respond to changes in temperature and pressure, and is crucial in various engineering and scientific applications.
Imagine that bubbles begin to form a sample of liquid but the temperature did not change.what must have happened to cause this change?
The decrease in pressure caused the bubbles to form in the liquid sample without changing the temperature. This could occur, for example, if the liquid was moved to a region of lower pressure, releasing dissolved gases as bubbles.
Can proteins absorb or lose heat without changing temperature?
No, proteins can't absorb or lose heat without changing much in temperature. Water has a high heat capacity, so water can absorb or release a great deal of heat energy without changing much in temperature.
How can a matter change from solid state to liquid state and reverse the process?
At a unique temperature, called the "freezing point", for each pure substance at a constant pressure, a solid form of the substance can change from solid to liquid phase by absorbing heat energy from its environment without raising the temperature of the substance, and, at the same temperature and pressure, a liquid phase of the same substance, can solidify without changing its temperature if it can transfer heat energy to the external environment.
How can granite change to metamorphic without changing into sedimentary?
Through heat and pressure
